SonarAdvancedCollatzNoise

Custom noise type that allows specifying parameters for Collatz noise. Very experimental, also very slow. It might just about work as initial noise with non-ancestral sampling but if you get weird results I recommend mixing it with other noise types or possibly using ancestral/SDE sampling.

By blepping·Created 3 years ago·Updated 4 days ago· 49

sonar_custom_noise_opt
seed_custom_noise
mix_custom_noise

SONAR_CUSTOM_NOISE

◄factor1.000►

◄rescale0.000►

◄adjust_scalefalse►

◄chain_length1, 1, 2, 2, 3, 3►

◄chain_offset5►

◄iterations10►

◄iteration_sign_flippingtrue►

◄rmin-8000.000►

◄rmax8000.000►

◄dims-1, -1, -2, -2►

◄flattenfalse►

◄output_modevalues►

◄quantile0.500►

◄quantile_strategyclamp►

◄noise_dtypefloat32►

◄even_multiplier0.500►

◄even_addition0.000►

◄odd_multiplier3.000►

◄odd_addition1.000►

◄integer_mathtrue►

◄add_preserves_signtrue►

◄break_loopstrue►

◄seed_modedefault►

Categoryadvanced/noise

Inputs (26)

Name	Type	Default	Description
factor	FLOAT	1.000-10000–10000	Scaling factor for the generated noise of this type.
rescale	FLOAT	0.0000–10000	When non-zero, this custom noise item and other custom noise items items connected to it will have their factor scaled to add up to the specified rescale value. When set to 0, rescaling is disabled.
adjust_scale	BOOLEAN	false	When enabled, the output will be normalized to values between -1 and 1 using the last two dimensions (if there are four or more), otherwise dimensions after the first.
chain_length	STRING	1, 1, 2, 2, 3, 3	Comma-separated list of chain lengths. Cannot be empty. Iterations will cycle through the list and wrap. Controls the length of Collatz chains. Note: Using a high chain length may be very slow, especially if combined with many iterations.
chain_offset	INT	50–10000	Uses values starting at the specified offset. Note: This entails generating chains of length chain_length + chain_offset, which may be quite slow if you use high values.
iterations	INT	101–10000	Number of iterations to run. Warning: Collatz noise (my implementation, anyway) is EXTREMELY slow.
iteration_sign_flipping	BOOLEAN	true	Controls whether we cycle between flipping the sign on the output from each iteration. May average out weirdness... Or make stuff weirder.
rmin	FLOAT	-8000.000-10000–10000	Minimum value a chain can start with. Going as low as -9500 should be safe with float32.
rmax	FLOAT	8000.000-10000–10000	Maximum value a chain can start with. I don't recommend going over 9500 if you are using the float32 dtype here as that is where the Collatz chain starts to reach values that can't be accurately represented.
dims	STRING	-1, -1, -2, -2	Comma-separated list of dimensions. Cannot be empty. May be negative to count from the end of the list. Iterations will cycle through the list and wrap.
flatten	BOOLEAN	false	Controls whether dimensions past the current one selected from the dims parameter will get flattened.
output_mode	COMBO	values	9 options: values, ratios, mults, adds, seed_x_mults, seed_x_adds, +3
quantile	FLOAT	0.5000–1	The initial output of each iteration will be run through quantile normalization. Setting the parameter to 0 or 1 will disable quantile normalization.
quantile_strategy	COMBO	clamp	Determines how to treat outliers. zero and reverse_zero modes are only useful if you're going to do something like add the result to some other noise. zero will return zero for anything outside the quantile range, reverse_zero only _keeps_ the outliers and zeros everything else.
noise_dtype	COMBO	float32	Generally should be left at the default. Only float32 and float64 will work if you have quantile normalization enabled.
even_multiplier	FLOAT	0.500-10000–10000	Multiplier to use when the previous link in the chain is even. Collatz uses 0.5 (divides by two) here.
even_addition	FLOAT	0.000-10000–10000	Value to add when the previous link in the chain is even. Collatz uses 0 here.
odd_multiplier	FLOAT	3.000-10000–10000	Multiplier to use when the previous link in the chain is odd. Collatz uses 3 here.
odd_addition	FLOAT	1.000-10000–10000	Value to add when the previous link in the chain is odd. Collatz uses 1 here.
integer_math	BOOLEAN	true	Controls whether the results during chain generation get truncated to an integer value or not. Should be enabled if you actually want to generate accurate Collatz chains.
add_preserves_sign	BOOLEAN	true	Controls whether additions use the same sign as the item they're being added to.
break_loops	BOOLEAN	true	Controls whether the chain resets back to the seed value once it reaches 1 or 0. Generally should be left enabled, otherwise the chain will oscillate between only a few values for the rest of the length (at least with the Collatz rules).
seed_mode	COMBO	default	Default mode just uses whatever the original seed value was. force_odd/force_even will force it to the specified parity by adding one if it doesn't match. Starting from odd seeds might result in longer chains. Enabling the force modes may cause the initial seeds to exceed rmax by one.
sonar_custom_noise_optopt	SONAR_CUSTOM_NOISE,OCS_NOISE		Optional input for more custom noise items. The following input types are supported: SONAR_CUSTOM_NOISE, OCS_NOISE
seed_custom_noiseopt	SONAR_CUSTOM_NOISE,OCS_NOISE		Optional custom noise to use for initial values for Collatz chains. May be slow as it will generate noise according to the original input size and then crop it. Does this noise type have enough warnings about it being slow? Yeah. Connecting something here will probably make it even slower! The following input types are supported: SONAR_CUSTOM_NOISE, OCS_NOISE
mix_custom_noiseopt	SONAR_CUSTOM_NOISE,OCS_NOISE		Optional custom noise to use with the output modes starting with 'noise'. The following input types are supported: SONAR_CUSTOM_NOISE, OCS_NOISE

Outputs (1)

Name	Type	Description
SONAR_CUSTOM_NOISE	SONAR_CUSTOM_NOISE	A custom noise chain.